Does anybody have an answer key to the nightmare land lab activity for earth systems?? I need help I dont get it:(

the answer key is in the pdf files below

Explanation:

This is what i found on google “according to the collision theory, the following criteria must be met in order for a chemical reaction to occur: molecules must collide with sufficient energy, known as the activation energy, so that chemical bonds can break. molecules must collide with the proper orientation.” i hope this information you.

The answer is a 0.64 volts